if (count < max_control_outputs) {
        control_outputs[count] = ToOperation(edge->dst());
      }
      ++count;
    }
  }
  return count;
}

TF_AttrMetadata TF_OperationGetAttrMetadata(TF_Operation* oper,
                                            const char* attr_name,
                                            TF_Status* status) {
  TF_AttrMetadata metadata;